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All results from a given calculation for C2H5 (Ethyl radical)

using model chemistry: CCSD=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at CCSD=FULL/6-31G*
 hartrees
Energy at 0K-78.877498
Energy at 298.15K-78.881374
HF Energy-78.596687
Nuclear repulsion energy36.833780
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCSD=FULL/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3188 3028 13.99      
2 A' 3099 2944 26.68      
3 A' 3020 2868 26.08      
4 A' 1536 1459 3.79      
5 A' 1519 1442 1.91      
6 A' 1460 1387 1.02      
7 A' 1095 1040 0.07      
8 A' 1025 974 0.28      
9 A' 462 439 52.49      
10 A" 3287 3122 18.36      
11 A" 3141 2984 22.91      
12 A" 1542 1465 4.25      
13 A" 1235 1173 2.25      
14 A" 833 791 1.81      
15 A" 148 141 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 13295.3 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 12627.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/6-31G*
ABC
3.43395 0.75372 0.69939

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.013 -0.697 0.000
C2 -0.013 0.797 0.000
H3 1.010 -1.109 0.000
H4 -0.518 -1.097 0.888
H5 -0.518 -1.097 -0.888
H6 0.090 1.352 -0.928
H7 0.090 1.352 0.928

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.49351.10301.09661.09662.25132.2513
C21.49352.16262.15102.15101.08611.0861
H31.10302.16261.76731.76732.78572.7857
H41.09662.15101.76731.77533.10812.5231
H51.09662.15101.76731.77532.52313.1081
H62.25131.08612.78573.10812.52311.8556
H72.25131.08612.78572.52313.10811.8556

picture of Ethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 120.737 C1 C2 H7 120.737
C2 C1 H3 111.913 C2 C1 H4 111.374
C2 C1 H5 111.374 H3 C1 H4 106.926
H3 C1 H5 106.926 H4 C1 H5 108.082
H6 C2 H7 117.349
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability